Online Geometry Problems

Online Geometry Problem 629: Triangle, Perpendicular to Sides, Intersecting Lines, Altitude. Level: High School, Honors Geometry, College, Mathematics Education

The figure shows a triangle ABC with AD and CE perpendicular to AC. AE and DB meet at F. BE and DC meet at G. AG and FC meet at H. Prove that BH is perpendicular to AC.

Triangle, Perpendiculars to a side

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